In the Travel Agency data, the introduction of the Price variable into the best time series model (the one with the lowest MSE) to convert it to a possible "causal" model initially caused the following in the newest model:

10 will be the number of adult tickets and 11 will be the number of children tickets. i hope i could ! good luck : )

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,